BLUEBIRD BIO INC's ticker is BLUE and the CUSIP is 09609G100. A total of 178 filers reported holding BLUEBIRD BIO INC in Q1 2023. The put-call ratio across all filers is 0.92 and the average weighting 0.0%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $30 | -9.1% | 9,911 | 0.0% | 0.00% | – |
Q2 2023 | $33 | +3.1% | 9,911 | 0.0% | 0.00% | – |
Q1 2023 | $32 | -57.9% | 9,911 | -9.2% | 0.00% | -100.0% |
Q4 2022 | $76 | -99.9% | 10,915 | +15.9% | 0.00% | 0.0% |
Q3 2022 | $60,000 | +62.2% | 9,416 | +6.3% | 0.00% | – |
Q2 2022 | $37,000 | -5.1% | 8,857 | +8.9% | 0.00% | – |
Q1 2022 | $39,000 | -87.1% | 8,132 | -14.3% | 0.00% | -100.0% |
Q2 2021 | $303,000 | +2.4% | 9,487 | -3.5% | 0.00% | -81.8% |
Q1 2021 | $296,000 | -35.1% | 9,832 | -6.6% | 0.01% | -35.3% |
Q4 2020 | $456,000 | -19.9% | 10,531 | -0.1% | 0.02% | -32.0% |
Q3 2020 | $569,000 | -10.8% | 10,542 | +0.9% | 0.02% | -16.7% |
Q2 2020 | $638,000 | +15.4% | 10,446 | -13.1% | 0.03% | +114.3% |
Q1 2020 | $553,000 | -49.1% | 12,024 | -2.8% | 0.01% | -30.0% |
Q4 2019 | $1,086,000 | +8.6% | 12,372 | +13.6% | 0.02% | -4.8% |
Q3 2019 | $1,000,000 | -28.8% | 10,889 | -1.4% | 0.02% | -36.4% |
Q2 2019 | $1,404,000 | -23.9% | 11,040 | -5.8% | 0.03% | -26.7% |
Q1 2019 | $1,844,000 | +61.8% | 11,723 | +2.0% | 0.04% | +40.6% |
Q4 2018 | $1,140,000 | -5.3% | 11,493 | +39.4% | 0.03% | +6.7% |
Q3 2018 | $1,204,000 | -30.4% | 8,247 | -25.2% | 0.03% | -28.6% |
Q2 2018 | $1,730,000 | +56.3% | 11,020 | +69.9% | 0.04% | +44.8% |
Q1 2018 | $1,107,000 | -5.9% | 6,486 | -1.7% | 0.03% | -9.4% |
Q4 2017 | $1,176,000 | +49.2% | 6,601 | +15.1% | 0.03% | +28.0% |
Q3 2017 | $788,000 | +43.3% | 5,735 | +9.6% | 0.02% | +38.9% |
Q2 2017 | $550,000 | +19.6% | 5,232 | +3.3% | 0.02% | -21.7% |
Q1 2017 | $460,000 | +47.4% | 5,064 | +0.1% | 0.02% | +64.3% |
Q4 2016 | $312,000 | +14.7% | 5,060 | +26.3% | 0.01% | -12.5% |
Q3 2016 | $272,000 | +22.5% | 4,006 | +0.3% | 0.02% | +23.1% |
Q2 2016 | $222,000 | -11.2% | 3,995 | +2.5% | 0.01% | -58.1% |
Q4 2015 | $250,000 | -30.2% | 3,898 | -6.7% | 0.03% | -18.4% |
Q3 2015 | $358,000 | -43.7% | 4,180 | +10.6% | 0.04% | -38.7% |
Q2 2015 | $636,000 | +109.9% | 3,780 | +50.8% | 0.06% | +67.6% |
Q1 2015 | $303,000 | – | 2,507 | – | 0.04% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
TANG CAPITAL MANAGEMENT LLC | 6,335,528 | $40,104,000 | 4.92% |
qPULA Trading Management LP | 14,344 | $91,000 | 0.80% |
Frazier Life Sciences Management, L.P. | 1,440,757 | $9,120,000 | 0.70% |
Ikarian Capital, LLC | 462,628 | $2,928,000 | 0.58% |
Birchview Capital, LP | 98,000 | $620,000 | 0.44% |
HealthCor Management, L.P. | 455,000 | $2,880,000 | 0.36% |
Financial Advocates Investment Management | 45,071 | $3,538,000 | 0.29% |
PDT Partners, LLC | 262,767 | $1,663,000 | 0.25% |
Monaco Asset Management SAM | 80,000 | $506,000 | 0.19% |
Summit X, LLC | 103,424 | $651,000 | 0.19% |